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Difference between . and : in Lua
I am confused about the difference between function calls via . and via :
3 Answers
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In tmux can I resize a pane to an absolute value
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The -x and -y options for resize-pane were introduced in tmux 1.8.
– Chris Johnsen
Apr 23 '13 at 6:10
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Python: Convert timedelta to int in a dataframe
I would like to create a column in a pandas data frame that is an integer representation of the number of days in a timedelta column. Is it possible to use 'datetime.days' or do I need to do something more manual?
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Redis: possible to expire an element in an array or sorted set?
...tire key/value pair? What if I want to add values to a List type structure and have them get auto removed 1 hour after insertion. Is that currently possible, or would it require running a cron job to do the purging manually?
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module unsafe for SAFESEH image C++
... the error states, modules for which the linker can't find safe exception handlers. Assembly language modules in particular - as discussed in other answers. There is some info about this here.
– Nick Westgate
Jul 5 '17 at 22:17
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What are '$$' used for in PL/pgSQL
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The dollar signs are used for dollar quoting and are in no way specific to function definitions. It can be used to replace single quotes practically anywhere in SQL scripts.
The body of a function happens to be a string literal which has to be enclosed in single quote...
Looking for files NOT owned by someone
...vely look through directories to find files NOT owned by a particular user and I am not sure how to write this.
5 Answers
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What is the at sign (@) in a batch file and what does it do?
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At symbol - @
The @ symbol tells the command processor to be less verbose; to only show the output of the command without showing it being executed or any prompts associated with the execution. When used it is prepended to the beginning of the command, it is not nec...
Is a Python list guaranteed to have its elements stay in the order they are inserted in?
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what if I return a local list from a function and use that in the calling function. That is def fn_1(): lst = [] lst.append(1) lst.append(2) return lst and def fn_2(): print(fn_1()) Will the order be same ALWAYS irrespective of how many times or where ever I use fn_1() ?...
How to redirect stderr to null in cmd.exe
I have an application that logs a lot of noise to stderr and REALLY slows down the execution of the application. I would like to redirect that output to null. Is this possible with cmd.exe?
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